Japanese table tennis player Kasumi Ishikawa, a winner of three Olympic women's team medals and a five-time national singles champion, announced her retirement on Monday.The 30-year-old left-hander was part of the team that won silver in London in 2012, her nation's first Olympic table tennis medal, before claiming bronze in the same event four years later in Rio de Janeiro and silver again in Tokyo in 2021."I feel I've given everything I have and have decided to retire," Ishikawa wrote on Instagram.The Yamaguchi Prefecture native finished fourth in singles at the 2012 Olympics and won the …READ FULL ARTICLE